<!DOCTYPE html>
<html lang="en" style="height: 96%">
<head>
    <meta charset="UTF-8">
    <title>使用框架案例</title>
</head>
<body style="height: 100%">

<div id="root" style="display: flex;flex-direction: column;height: 100%">
    <iframe style="height: 20%" src="top.html"></iframe>
    <div style="display: flex;flex-direction: row;height: 80%">
        <iframe style="width: 30%;height: 100%" src="left.html"></iframe>
        <iframe style="width: 70%;height: 100%" src="right1.html"></iframe>
    </div>

</div>

</body>
</html>